CAS No:80621-81-4||Chemical Formula:C43H51N3O11||(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)5,6,21,23-Tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamet…
CAS No:N/A||Chemical Formula:C43H51N3O12||(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-tetrahydroxy-16-(hydroxymethyl)-27-methoxy-2,4,11,20,22,24,…
Catalog No: Product Name: Rifaximin impurity B (EP)
CAS No:13929-35-6||Chemical Formula:C39H49NO14||4-O-(Carboxymethyl)rifamycin; [(1,2-Dihydro-5,6,17,19,21-pentahydroxy-23- methoxy-2,4,12,16,18,20,22-heptamethyl…
Catalog No: Product Name: Rifaximin impurity C (EP)
CAS No:6998-60-3||Chemical Formula:C37H47NO12||[2S-(2R*,12Z,14E,16R*,17R*,18S*,19S*,20S*,21R*,22S*,23R*,24E)]-21-(Acetyloxy)-5,6,9,17,19-pentahydroxy-23-methoxy…
Catalog No: Product Name: Rifaximin impurity E (EP)
CAS No:13553-79-2||Chemical Formula:C37H45NO12||5,17,19,21-Tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-2,7-(epoxypentadeca[1,11,13]trienimino)naphtho…